Moderate mag. 4.7 earthquake - Gulf of Alaska, 85 mi south of Kodiak, Alaska, USA, on Thursday, 27 April 1978 at 01:41 (GMT)
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Moderate magnitude 4.7 earthquake at 33 km depth
Date & time: 27 Apr 1978 01:41:17 UTC
Depth: 33.0 km
Epicenter latitude / longitude: 56.573°N / 152.723°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Unnamed 57.87°N/155.42°W (217 km / 135 mi)
Nearby towns and cities:
79 km (49 mi) SSE of Old Harbor (pop: 221) --> See nearby quakes!
97 km (61 mi) ESE of Akhiok (pop: 72) --> See nearby quakes!
123 km (77 mi) S of Womens Bay (pop: 719) --> See nearby quakes!
133 km (83 mi) S of Kodiak Station (pop: 1,300) --> See nearby quakes!
137 km (85 mi) S of Kodiak (pop: 6,250) --> See nearby quakes!
144 km (90 mi) S of Port Lions (pop: 197) --> See nearby quakes!
348 km (216 mi) S of Homer (pop: 5,520) --> See nearby quakes!
360 km (224 mi) S of Anchor Point (pop: 1,930) --> See nearby quakes!
362 km (225 mi) SSW of Fritz Creek (pop: 1,930) --> See nearby quakes!
437 km (271 mi) SSW of Seward (pop: 2,790) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 tons of TNT) More info
Data for the same earthquake reported by different agencies
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|4.7||33 km||Kodiak Island region, Alaska (USA)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.